National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

NA

38°F

3°C

Humidity 85%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 21 Feb 04:10 AM PST
Extended Forecast for

2 Miles SSW Cupertino CA

  • Today

    Today: Mostly sunny, with a high near 57. South wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. South wind around 8 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Cloudy, with a low around 51.

    Low: 51 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 57. South wind 6 to 13 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 43. South southeast wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Partly sunny, with a high near 64. South wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 44. Calm wind.
Monday
Mostly sunny, with a high near 67. Light and variable wind.
Monday Night
A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 52. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 62. Chance of precipitation is 80%.
Tuesday Night
Rain, mainly before 4am. Cloudy, with a low around 51.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 63.
Wednesday Night
A chance of rain, mainly before 4am. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain. Partly sunny, with a high near 68.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Cupertino CA
 37.28°N 122.06°W (Elev. 666 ft)
Last Update:
7:14 am PST Feb 21, 2026
Forecast Valid:
8am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation